CanAlaska's West McArthur Project Hole No. 10 Intersects 0.29% U3O8

    VANCOUVER, Aug. 30 /CNW/ - CanAlaska Uranium Ltd. (CVV - TSX.V) (the
"Company") is pleased to report drill assay results for February-June drilling
at the West McArthur project, currently under option to Mitsubishi Development
Pty Ltd. Five holes for a total of 4,948 metres were drilled in 2007.

    West McArthur project; Mitsubishi Option
    Drilling commenced on the West McArthur project in late February, and
four drill holes WMA008 to WMA012 were completed in the vicinity of the
Western Anomaly. In one hole, WMA010, uranium mineralization was intersected.
The following information details the results from this drill hole.
    Drill hole WMA010 was targeted on a Time Domain ElectroMagnetic moving
loop anomaly, 800 metres north of 2006 holes WMA003 and 005. These two earlier
holes intersected moderate to strong hydrothermal alteration at and below the
unconformity. WMA010 intersected the unconformity at 867.1 metres with a
significant zone of hydrothermal alteration. The alteration zone starts at
765 metres in the form of bleaching, followed by silicification from 826 to
839 metres. Strong bleaching and clay alteration continues below this through
a major zone of fracturation with breccia and fault gouges from 836 to
840 metres. The alteration persists into the basement to 905 metres, with
bleaching and very high boron, with a 12 m section over 900 ppm boron,
including a one metre section containing 0.7% Boron, 0.7% Ni and 1.1% As in
fractured metapelite.
    The best mineralized interval, marked by a 30-metre zone of intense
alteration, straddles the unconformity and contains a mineralised intersection
of 0.5 m @ 0.29% U3O8 14 metres below the unconformity.

                  Significant Intersection WMA010 drillhole

    Hole     Location    Location  Descrip-  Sample  From    To   Thick-   %
    No.          N           E       tion      No.    (m)    (m)   ness  U3O8
    WMA010  6,410,945.6  473,548.9   meta-   05-798  881.4  881.9  0.50  0.29

    Drill hole WMA011 was drilled to the south to probe the extension of this
alteration and mineralisation to the South. It intersected only minor
alteration in the form of bleaching associated with illite, but a zone of
distinct silicification is present in the sandstone above the unconformity.
The unconformity elevation shows an offset of 10 metres between WMA010 and
WMA011, indicating the presence of a structural break in this area.
    Silicification of the sandstone above the unconformity was observed in
holes WMA008, WMA009, WMA010, WMA011, and WMA012.
    Drill hole WMA012, located on the south side of the large electromagnetic
anomaly in the centre of the property, and targeting a specific ground EM
target, failed to intercept the target but shows illite and dravite alteration
in the sandstone immediately above the unconformity with sections of
silicification. The basement is bleached from 880 to 895 metres with zones of
fracturation and some lost core.
    A review of the airborne and ground geophysical surveys completed to-date
is being carried out by an independent consultant to improve targeting and to
refine the methodology of the ground surveys to be commenced early this
winter. Additional geophysics is being carried out in this area to more
specifically locate the orientation of the target.

    To view attached map, please click on the hyperlink below:

    Exploration Update:
    An extensive program of geophysics and compilation has continued this
summer from the West McArthur camp. The purpose of the program is to provide
more specific information on the alteration and geophysical characteristics of
the three zones tested with exploratory holes since the start of the program
in 2005. The priority for the exploration program is to define the location of
drill holes proposed for the next winter drill program. Preliminary approval
has been received from our partners Mitsubishi Development Pty Ltd for an
early start to this winter drill program.
    Additional reconnaissance survey work has also been successful in
identifying further specific conductors and surface alteration zones, which
will be considered for winter drill testing following the summer compilation.
    All of the samples from the drill program were submitted to Saskatchewan
Research Laboratories, a qualified Canadian Laboratory, for analysis. Samples
submitted were analyzed for multi-element geochemistry and including uranium
by tri-acid digestion and ICP. The samples were collected by CanAlaska field
geologists under the supervision of Dr Karl Schimann, and were shipped in
secure containment to the laboratories noted above.
    The Qualified Person for this news release is Peter Dasler, P.Geo.

    About CanAlaska Uranium Ltd. -

    CanAlaska Uranium (CVV - TSX.V, CVVUF - OTCBB, DH7 - Frankfurt) is
undertaking uranium exploration in seventeen 100%-owned and two optioned
uranium projects in Canada's Athabasca Basin. Since September, 2004, the
Company has aggressively acquired one of the largest land positions in the
region, comprising over 2,500,000 acres (10,117 sq. km or 3,906 sq. miles).
CanAlaska has expended over Cdn$22 million exploring its properties in the
Athabasca Basin and has delineated multiple uranium targets. Initial drilling
results from the West McArthur Project revealed uranium mineralization and
significant zones of hydrothermal alteration, indicative of a favourable
environment for uranium deposition. Active drilling and exploration continues
in the Summer, 2007 exploration season at West McArthur and at 2 other
significant projects. The Company's high profile in the prominent Athabasca
Basin has attracted the attention of major international strategic partners.
Mitsubishi Development Pty., a subsidiary of Japanese conglomerate Mitsubishi
Corporation, has undertaken to provide CanAlaska C$11 mil. in exploration
funding to earn 50% of the West McArthur Project. An MOU has also been
executed with Hanwha Corporation, a S. Korean conglomerate, to enter into
joint exploration of CanAlaska's Cree East Project.

    On behalf of the Board of Directors


    Peter Dasler, M.Sc., P.Geo.
    President & CEO, CanAlaska Uranium Ltd.

    The TSX Venture has not reviewed and does not accept responsibility for
the adequacy or accuracy of this release: CUSIP No. 13708P 10 2. This news
release contains certain "Forward-Looking Statements" within the meaning of
Section 21E of the United States Securities Exchange Act of 1934, as amended.
All statements, other than statements of historical fact, included herein are
forward-looking statements that involve various risks and uncertainties. There
can be no assurance that such statements will prove to be accurate, and actual
results and future events could differ materially from those anticipated in
such statements. Important factors that could cause actual results to differ
materially from the Company's expectations are disclosed in the Company's
documents filed from time to time with the British Columbia Securities
Commission and the United States Securities & Exchange Commission.

For further information:

For further information: Emil Fung, Vice President, Corp. Dev., Tel:
(604) 688-3211, Toll Free (N. America): 1-800-667-1870, Email:

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